Minjae Kong’s research while affiliated with Institute of Agricultural Sciences and other places

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Publications (16)


Correction: Son et al. Variation in Pathogenic Organisms as Affected by Using Hydroponic Nutrient Wastewater in Horticultural Facilities. Agriculture 2022, 12, 1340
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  • Full-text available

January 2024

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22 Reads

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Taegyeong Kang

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Hyun-Sug Choi

The original article [...]

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Types of study crop, greenhouse, and discharged drainage.
Average density of fungi detected at 36 study sites according to cultivated crops.
Total density of fungi detected at 36 study sites according to generic division; P: paprika, T: tomato, S: strawberry.
Average density of fungi detected according to the type of greenhouse and drainage. Vinyl: vinyl greenhouse, Glass: glass greenhouse, DD: direct discharge, CaD: collection after discharge.
Average density of bacteria detected at 36 study sites according to cultivated crops.

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Variation in Pathogenic Organisms as Affected by Using Hydroponic Nutrient Wastewater in Horticultural Facilities

August 2022

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79 Reads

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5 Citations

Among the horticulture facilities in Korea, the hydroponic cultivation method has been increasingly used. This study aimed to identify fungi and bacterial species in hydroponic cultivation and highlight the need for sterilization to recycle the discharged drainage. Samples were collected from a number of paprika, tomato, and strawberry hydroponic greenhouses. Vinyl and glass greenhouses were studied, and the drainage discharge was of two types: direct discharge and collection after discharge. In total, 24 fungal and six bacterial species were detected from 399 and 151 densities, respectively. The primary fungal and bacterial species identified were from the genera Fusarium, Pythium, and Phytophthora as well as Agrobacterium and Pseudomonas. Statistical analysis revealed that the species number and density of fungi and bacteria were higher in strawberry than in tomato or paprika. These values were higher for vinyl greenhouses than for glass greenhouses. This study on the reuse of drainage from hydroponic greenhouses may contribute to the recycling of resources and reduction in water pollutant emission; this will thus help us to implement sustainable horticulture practices.


Design Model and Management Plan of a Rice–Fish Mixed Farming Paddy for Urban Agriculture and Ecological Education

August 2022

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118 Reads

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3 Citations

Imparting knowledge on agriculture and ecology is important for the preservation of nature. This study suggested the design of a rice–fish mixed farming (RFMF) paddy for urban agriculture and ecological education in Korea. This RFMF paddy supports the growth of rice as well as freshwater fish. ANOVA statistical analysis was conducted, and an RFMF paddy was necessary for urban agriculture/education and confirmed that biodiversity was high. To this aim, the design of a 10 m × 10 m RFMF paddy was suggested. Vegetation, insects, and aquatic invertebrates of the RFMF paddy constituted approximately 40 species more than a conventional paddy. The quality of an actual farm’s soil and water was assessed, and techniques for the co-cultivation of rice and fish are proposed. The soil must comply with the standards of Korean paddy soil, and the water must be in the temperature range of 15 to 35 °C. In the proposed design, approximately 44.0 kg rice can be produced, and catfish can grow up to 30 cm. The study suggested many experiences using rice and freshwater fish. On the basis of our study design, a virtual model of an RFMF paddy was developed in consideration of the accessible space. The development of RFMF paddies in educational institutions can promote biodiversity in cities while providing ecological education regarding aquatic plants and insects.








Citations (10)


... They were designed to improve ambient conditions, enhance photosynthesis, and control internal temperatures. Engler et al. (2021) and Lim et al. (2022) research reported that air-circulation fans reduced energy consumption and were more effective when used with fog systems. Similarly, Oh et al. (2016) showed improved pollination rates and fruit yields in cucumber cultivation when air-circulation fans were used during high temperatures. ...

Reference:

Utilizing fan cooling to reduce leaf temperatures in Ginseng cultivation
Evaluation Study on the Effect of Greenhouse Cooling and Tomato Cultivation by Airflow Fan and Fog Combined System
  • Citing Article
  • December 2022

Journal of the Korea Academia-Industrial cooperation Society

... Phytophthora disease progression is usually associated with higher temperature and moisture [109]. In a recent report in Korea [110], Phytophthora DNA was detected in hydroponic nutrient wastewater from facilities growing tomatoes, paprika, and strawberries. These are the most hydroponically cultivated crops in Korea, and strawberry growing facilities exhibited the highest rate of Phytophthora, suggesting the need for nutrient solution sterilization when recycling to reduce the risk of disease persistence in the facility. ...

Variation in Pathogenic Organisms as Affected by Using Hydroponic Nutrient Wastewater in Horticultural Facilities

... Rice-fish cultivation can potentially benefit groundwater recharge, water storage, and climate change mitigation efforts [112]. In Thailand, integrating RASp increases water storage by 16,682.3 ...

Design Model and Management Plan of a Rice–Fish Mixed Farming Paddy for Urban Agriculture and Ecological Education

... According to the references, the groundwater level increases during rainfall, and EC and Temp. change due to the dilution effect [28]. There were relatively consistent concentration trends during rainfall events. ...

Measurement of Groundwater Penetration and Water Balance Analysis according to Land Use Materials
  • Citing Article
  • August 2021

Journal of the Korea Academia-Industrial cooperation Society

... For habitat function and assessment of cultivated lands, Son et al. (2018) suggested ways to create and maintain feeding places when comparing the bird diversity of paddy field wetland and greenhouse complexes in design. Loesh and Kaminski (1989) reported that inhabitation of dabbling ducks in wetlands from paddy fields is affected significantly by the vegetation structure and surrounding land use. ...

The Comparative Studies on the Avian Diversity in Protected Horticulture Complex and Paddy Wetland
  • Citing Article
  • November 2018

Journal of Korean Society of Rural Planning

... (1) Mistakenly attempting to apply the sewage treatment methods used in urban areas to rural settings without considering the unique operational and maintenance demands of small-scale facilities. Compared with urban domestic sewage treatment, rural domestic sewage treatment has fewer types of pollutants in sewage, a lower sewage concentration, and less treatment capacity, generally not more than 30 m 3 /d [23]. While it may be possible to adopt similar treatment processes, it is crucial to ensure that construction standards are met, devices are complete, and manual and online testing instruments are available for complex operation and maintenance procedures. ...

A Study on the Emission Characteristic and Improvement Plan of Domestic Sewage(NPS) in Rural Area
  • Citing Article
  • November 2018

Journal of Korean Society of Rural Planning

... Because the main source of groundwater nitrate contamination is the intensive use of organic manure and fertilizers in farming activities, land use is the main determining factor, while the main agricultural type in NSW is a water-curtain-type greenhouse (Cho et al. 2012;Kwon et al. 2020). Usually, greenhouse facilities are built on an existing rice paddy field (Son et al. 2018). For the points where land cover was classified as paddy fields in the GIS data, each point was shown on a Google map (Google Earth), and points with greenhouse facilities were separately extracted and compared. ...

Comparative Analysis of Groundwater-Ecosystem Service Value of Protected Horticulture Complex and Paddy Fields
  • Citing Article
  • May 2018

Journal of Korean Society of Rural Planning

... Republic of Korea's facility horticulture industry ranks among the top in the world, along with China, Spain, the Netherlands, and Japan, and is considered a "white revolution" due to the large income it generates [1][2][3][4][5][6][7][8][9]. For this reason, greenhouse horticulture in Korea continues to grow [10,11]. ...

The Maximum Temperature Distribution and Improvement Plan of Protected Horticulture Planning Area in Saemanguem Using CFD Simulation\
  • Citing Article
  • August 2019

Journal of Korean Society of Rural Planning

... For this reason, greenhouse horticulture in Korea continues to grow [10,11]. However, many environmental and ecological problems have been reported in facility horticulture, including land use change, groundwater depletion, waste disposal, and nonpoint pollution [12][13][14][15][16][17]. Among them, the use of nutrient solutions and the resulting wastewater discharge is a major problem [18][19][20][21]. ...

A Study on the Image Evaluation for the Improvement of the Landscape of Horticultural Complex in Rural Area
  • Citing Article
  • April 2017

Protected horticulture and Plant Factory

... The increased impermeable ground surface caused by urbanization causes temporary rainfall leakage into rivers, triggering river water pollution [19], groundwater depletion due to the decreased runoff infiltration rate [18], stream drying [19], difficulties in securing water resources [20], urban heat islandization [20], and ecosystem disruption [19]. The problems from expanding the impermeable area go beyond cities and induce problems in rural and agricultural districts [20][21][22][23][24]. Groundwater recharge is a vital ecosystem service function [25,26], and agricultural regions have been found to have an excellent groundwater recharge function [27,28]. ...

A study on the improvement of Ecosystem Service Function for the Protected Horticulture Complex in Agricultural Landscape

Journal of Korean Society of Rural Planning